Borghi, E. and Crusciol, C.A.C. 2007. Corn yield, spacing and intercropping modalities with <i>Brachiaria brizantha</i> in no-tillage system. Pesquisa Agropecuaria Brasileira. 42, 2 (Feb. 2007), 163–171. DOI:https://doi.org/10.1590/S1678-3921.pab2007.v42.7551.